Pyramid means Energy Nucleus so powerful that it cannot be changed by any energy interaction.Crystal pyramid is used as a powerful Vastu correction tool.Vastu corrections can be done by neutralising negative energy with the help of strong positive energy radiating devices like energy pyramids.Pyramids and crystals both have powers to eradicate negative energies therefore pyramids made of crystals are used as exceptionally powerful tools for eliminating negative energies.Following Mantra should be recited for itinchOm Brahmne Namah inchSize aprox 2 to 3 inches in height and aprox 2 inches in wideProduct can be slightly vary from the picture